Note: re-issue of three pieces that came out originally on LPs released by Deutsche Grammophon in 1974, 1979 & 1970: "Como una ola de fuerza y luz" (1971-72); "... sofferte onde serne..." (1976), and "Contrappunto dialettico alla mente" (1968) for magnetic tape (great experimental tape-piece originally on a split LP with ROLAND KAYN); extensive booklet in English, German, French & Italian